.rednirus-header{
  width:100%;
  background:#fff;
  box-shadow:0 2px 12px rgba(0,0,0,.08);
  position:sticky;
  top:0;
  z-index:99999;
}

.rednirus-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0px 25px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}

.rednirus-logo{
  flex:0 0 auto;
}

.rednirus-logo img{
  width:100%;
  max-width:150px;
  height:auto;
  display:block;
}

.rednirus-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:28px;
  flex:1;
}

.rednirus-nav > a,
.rednirus-services-btn{
  text-decoration:none;
  background:none;
  border:none;
  cursor:pointer;
  font-size:15px;
  font-weight:700;
  color:#111;
  font-family:inherit;
  white-space:nowrap;
  transition:.3s;
}

.rednirus-nav > a:hover,
.rednirus-services-btn:hover{
  color:#ff2b2b;
}

.rednirus-services{
  position:static;
}

.rednirus-services-btn{
  display:flex;
  align-items:center;
  gap:8px;
}

.rednirus-arrow{
  font-size:12px;
  transition:.3s;
}

.rednirus-services.open .rednirus-arrow{
  transform:rotate(180deg);
}

.rednirus-mega{
  position:absolute;
  top:100%;
  left:0;
  width:100%;
  background:#fff;
  border-top:1px solid #eee;
  box-shadow:0 20px 40px rgba(0,0,0,.08);
  opacity:0;
  visibility:hidden;
  transform:translateY(15px);
  transition:.35s;
}

.rednirus-services:hover .rednirus-mega,
.rednirus-services.open .rednirus-mega{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.rednirus-mega-inner{
  max-width:1200px;
  margin:auto;
  padding:35px 25px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:25px;
}

.rednirus-mega-column{
  background:#fafafa;
  padding:14px;
  border-radius:14px;
  border:1px solid #eee;
  transition:.3s;
}

.rednirus-mega-column:hover{
  transform:translateY(-5px);
  box-shadow:0 10px 20px rgba(0,0,0,.08);
}

.rednirus-mega-title{
  font-size:18px;
  font-weight:700;
  margin:0 0 18px;
  color:#f75151;
}

.rednirus-mega-list{
  display:flex;
  flex-direction:column;
  gap:13px;
}

.rednirus-mega-link{
  display:flex;
  align-items:flex-start;
  gap:10px;
  text-decoration:none;
  font-size:14px;
  color:#222;
  line-height:1.4;
  transition:.3s;
}

.rednirus-mega-link i{
  color:#ff2b2b;
  margin-top:3px;
  font-size:13px;
}

.rednirus-mega-link:hover{
  color:#ff2b2b;
  transform:translateX(5px);
}

.rednirus-toggle{
  display:none;
  width:42px;
  height:42px;
  border:none;
  border-radius:8px;
  background:#ff2b2b;
  color:#fff;
  font-size:20px;
  cursor:pointer;
  margin-left:auto;
}

@media(max-width:1024px){
  .rednirus-container{
    padding:15px 22px;
  }

  .rednirus-nav{
    gap:18px;
  }

  .rednirus-nav > a,
  .rednirus-services-btn{
    font-size:14px;
  }

  .rednirus-mega-inner{
    grid-template-columns:repeat(2,1fr);
    padding:30px 22px;
  }
}

@media(max-width:768px){
  .rednirus-container{
    padding:12px 18px;
  }

  .rednirus-logo img{
    width:105px;
    max-width:105px;
  }

  .rednirus-toggle{
    display:block;
  }

  .rednirus-nav{
    display:none;
    position:absolute;
    left:0;
    top:100%;
    width:100%;
    margin-left:0;
    flex:unset;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    box-shadow:0 10px 20px rgba(0,0,0,.1);
    max-height:calc(100vh - 70px);
    overflow-y:auto;
  }

  .rednirus-nav.open{
    display:flex;
  }

  .rednirus-nav > a,
  .rednirus-services-btn{
    padding:16px 20px;
    border-bottom:1px solid #eee;
    width:100%;
    justify-content:space-between;
    text-align:left;
  }

  .rednirus-services{
    width:100%;
  }

  .rednirus-mega{
    position:static;
    display:none;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:none;
  }

  .rednirus-services.open .rednirus-mega{
    display:block;
  }

  .rednirus-services:hover .rednirus-mega{
    display:none;
  }

  .rednirus-services.open:hover .rednirus-mega{
    display:block;
  }

  .rednirus-mega-inner{
    grid-template-columns:1fr;
    padding:16px;
    gap:16px;
    background:#f7f7f7;
  }

  .rednirus-mega-column{
    padding:18px;
  }

  .rednirus-mega-title{
    font-size:16px;
  }
}